Routing Table Report 04:00 +10GMT Fri 16 Jul, 2010
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 325338
Prefixes after maximum aggregation: 149873
Deaggregation factor: 2.17
Unique aggregates announced to Internet: 158962
Total ASes present in the Internet Routing Table: 34344
Prefixes per ASN: 9.47
Origin-only ASes present in the Internet Routing Table: 29824
Origin ASes announcing only one prefix: 14440
Transit ASes present in the Internet Routing Table: 4520
Transit-only ASes present in the Internet Routing Table: 100
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 25
Max AS path prepend of ASN (41664) 21
Prefixes from unregistered ASNs in the Routing Table: 308
Unregistered ASNs in the Routing Table: 117
Number of 32-bit ASNs allocated by the RIRs: 686
Prefixes from 32-bit ASNs in the Routing Table: 821
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 164
Number of addresses announced to Internet: 2275609088
Equivalent to 135 /8s, 163 /16s and 10 /24s
Percentage of available address space announced: 61.4
Percentage of allocated address space announced: 66.2
Percentage of available address space allocated: 92.8
Percentage of address space in use by end-sites: 83.8
Total number of prefixes smaller than registry allocations: 154862
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 78903
Total APNIC prefixes after maximum aggregation: 27102
APNIC Deaggregation factor: 2.91
Prefixes being announced from the APNIC address blocks: 75798
Unique aggregates announced from the APNIC address blocks: 33496
APNIC Region origin ASes present in the Internet Routing Table: 4115
APNIC Prefixes per ASN: 18.42
APNIC Region origin ASes announcing only one prefix: 1141
APNIC Region transit ASes present in the Internet Routing Table: 638
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 530951200
Equivalent to 31 /8s, 165 /16s and 172 /24s
Percentage of available APNIC address space announced: 79.1
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
APNIC Address Blocks 1/8, 14/8, 27/8, 43/8, 58/8, 59/8, 60/8,
61/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8,
182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8, 223/8,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 134245
Total ARIN prefixes after maximum aggregation: 69443
ARIN Deaggregation factor: 1.93
Prefixes being announced from the ARIN address blocks: 107082
Unique aggregates announced from the ARIN address blocks: 41899
ARIN Region origin ASes present in the Internet Routing Table: 13783
ARIN Prefixes per ASN: 7.77
ARIN Region origin ASes announcing only one prefix: 5282
ARIN Region transit ASes present in the Internet Routing Table: 1353
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 729627936
Equivalent to 43 /8s, 125 /16s and 61 /24s
Percentage of available ARIN address space announced: 62.1
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 24/8, 26/8, 28/8, 29/8,
30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8,
44/8, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8,
55/8, 56/8, 63/8, 64/8, 65/8, 66/8, 67/8,
68/8, 69/8, 70/8, 71/8, 72/8, 73/8, 74/8,
75/8, 76/8, 96/8, 97/8, 98/8, 99/8, 107/8,
108/8, 173/8, 174/8, 184/8, 199/8, 204/8, 205/8,
206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 74761
Total RIPE prefixes after maximum aggregation: 43391
RIPE Deaggregation factor: 1.72
Prefixes being announced from the RIPE address blocks: 67938
Unique aggregates announced from the RIPE address blocks: 44439
RIPE Region origin ASes present in the Internet Routing Table: 14590
RIPE Prefixes per ASN: 4.66
RIPE Region origin ASes announcing only one prefix: 7496
RIPE Region transit ASes present in the Internet Routing Table: 2169
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 434007808
Equivalent to 25 /8s, 222 /16s and 111 /24s
Percentage of available RIPE address space announced: 76.1
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 196608-197631
RIPE Address Blocks 2/8, 25/8, 31/8, 46/8, 51/8, 62/8, 77/8,
78/8, 79/8, 80/8, 81/8, 82/8, 83/8, 84/8,
85/8, 86/8, 87/8, 88/8, 89/8, 90/8, 91/8,
92/8, 93/8, 94/8, 95/8, 109/8, 176/8, 178/8,
193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 29066
Total LACNIC prefixes after maximum aggregation: 6957
LACNIC Deaggregation factor: 4.18
Prefixes being announced from the LACNIC address blocks: 27553
Unique aggregates announced from the LACNIC address blocks: 14489
LACNIC Region origin ASes present in the Internet Routing Table: 1307
LACNIC Prefixes per ASN: 21.08
LACNIC Region origin ASes announcing only one prefix: 407
LACNIC Region transit ASes present in the Internet Routing Table: 230
Average LACNIC Region AS path length visible: 3.9
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 75533504
Equivalent to 4 /8s, 128 /16s and 140 /24s
Percentage of available LACNIC address space announced: 56.3
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 181/8, 186/8, 187/8, 189/8, 190/8, 200/8,
201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 7288
Total AfriNIC prefixes after maximum aggregation: 1863
AfriNIC Deaggregation factor: 3.91
Prefixes being announced from the AfriNIC address blocks: 5596
Unique aggregates announced from the AfriNIC address blocks: 1598
AfriNIC Region origin ASes present in the Internet Routing Table: 378
AfriNIC Prefixes per ASN: 14.80
AfriNIC Region origin ASes announcing only one prefix: 114
AfriNIC Region transit ASes present in the Internet Routing Table: 83
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 19623680
Equivalent to 1 /8s, 43 /16s and 111 /24s
Percentage of available AfriNIC address space announced: 58.5
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 1854 8425 493 Korea Telecom (KIX)
7545 1379 232 106 TPG Internet Pty Ltd
4755 1372 297 162 TATA Communications formerly
17488 1333 145 127 Hathway IP Over Cable Interne
17974 1163 285 49 PT TELEKOMUNIKASI INDONESIA
9583 1000 74 485 Sify Limited
24560 954 305 178 Bharti Airtel Ltd., Telemedia
4134 877 21740 411 CHINANET-BACKBONE
4808 829 1576 220 CNCGROUP IP network: China169
9829 813 685 32 BSNL National Internet Backbo
Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3895 3734 290 bellsouth.net, inc.
4323 2718 1114 394 Time Warner Telecom
19262 1827 4562 274 Verizon Global Networks
1785 1779 698 129 PaeTec Communications, Inc.
20115 1548 1524 653 Charter Communications
7018 1486 5735 962 AT&T WorldNet Services
2386 1285 568 906 AT&T Data Communications Serv
6478 1258 253 197 AT&T Worldnet Services
22773 1171 2859 65 Cox Communications, Inc.
11492 1163 209 76 Cable One
Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
35805 652 56 6 United Telecom of Georgia
9198 497 202 13 Kazakhtelecom Data Network Ad
3292 452 2027 393 TDC Tele Danmark
30890 441 111 207 Evolva Telecom
702 413 1869 325 UUNET - Commercial IP service
8866 402 117 18 Bulgarian Telecommunication C
8551 400 353 46 Bezeq International
3320 373 7329 324 Deutsche Telekom AG
3301 372 1414 327 TeliaNet Sweden
34984 361 89 184 BILISIM TELEKOM
Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 1532 3033 246 UniNet S.A. de C.V.
10620 1072 240 149 TVCABLE BOGOTA
28573 1041 812 99 NET Servicos de Comunicao S.A
7303 761 391 105 Telecom Argentina Stet-France
6503 699 177 219 AVANTEL, S.A.
22047 551 310 15 VTR PUNTO NET S.A.
3816 501 217 87 Empresa Nacional de Telecomun
14420 491 32 72 CORPORACION NACIONAL DE TELEC
7738 477 922 30 Telecomunicacoes da Bahia S.A
11172 451 99 77 Servicios Alestra S.A de C.V
Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8452 1101 445 10 TEDATA
24863 727 147 39 LINKdotNET AS number
36992 651 279 185 Etisalat MISR
3741 267 834 229 The Internet Solution
33776 220 12 12 Starcomms Nigeria Limited
2018 209 244 61 Tertiary Education Network
6713 195 186 16 Itissalat Al-MAGHRIB
24835 189 78 9 RAYA Telecom - Egypt
29571 177 19 10 Ci Telecom Autonomous system
16637 166 440 95 MTN Network Solutions
Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3895 3734 290 bellsouth.net, inc.
4323 2718 1114 394 Time Warner Telecom
4766 1854 8425 493 Korea Telecom (KIX)
19262 1827 4562 274 Verizon Global Networks
1785 1779 698 129 PaeTec Communications, Inc.
20115 1548 1524 653 Charter Communications
8151 1532 3033 246 UniNet S.A. de C.V.
7018 1486 5735 962 AT&T WorldNet Services
7545 1379 232 106 TPG Internet Pty Ltd
4755 1372 297 162 TATA Communications formerly
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 2718 2324 Time Warner Telecom
1785 1779 1650 PaeTec Communications, Inc.
19262 1827 1553 Verizon Global Networks
4766 1854 1361 Korea Telecom (KIX)
8151 1532 1286 UniNet S.A. de C.V.
7545 1379 1273 TPG Internet Pty Ltd
4755 1372 1210 TATA Communications formerly
17488 1333 1206 Hathway IP Over Cable Interne
17974 1163 1114 PT TELEKOMUNIKASI INDONESIA
22773 1171 1106 Cox Communications, Inc.
Complete listing at http://thyme.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.155.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
31.0.0.0/16 12654 RIPE NCC RIS Project
31.1.0.0/21 12654 RIPE NCC RIS Project
31.1.24.0/24 12654 RIPE NCC RIS Project
41.222.79.0/24 36938 >>UNKNOWN<<
41.223.92.0/22 36936 >>UNKNOWN<<
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 6453 Teleglobe Inc.
41.223.196.0/24 36990 Alkan Telecom Ltd
41.223.197.0/24 36990 Alkan Telecom Ltd
41.223.198.0/24 36990 Alkan Telecom Ltd
Complete listing at http://thyme.apnic.net/current/data-add-IANA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:21 /9:10 /10:25 /11:68 /12:197
/13:408 /14:713 /15:1287 /16:11182 /17:5355 /18:9177
/19:18447 /20:23040 /21:22989 /22:29898 /23:29572 /24:169685
/25:1047 /26:1327 /27:710 /28:120 /29:47 /30:6
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2494 3895 bellsouth.net, inc.
4766 1482 1854 Korea Telecom (KIX)
4323 1392 2718 Time Warner Telecom
1785 1240 1779 PaeTec Communications, Inc.
17488 1078 1333 Hathway IP Over Cable Interne
11492 1072 1163 Cable One
18566 1068 1087 Covad Communications
8452 993 1101 TEDATA
10620 988 1072 TVCABLE BOGOTA
7018 885 1486 AT&T WorldNet Services
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:10 2:2 4:13 8:288 12:2019 13:7
14:1 15:22 16:3 17:8 20:6 24:1462
27:252 31:1 32:49 33:12 38:685 40:98
41:2403 44:3 46:2 47:17 52:9 55:4
56:2 57:28 58:754 59:502 60:461 61:1088
62:1035 63:1970 64:3679 65:2346 66:4042 67:1825
68:1105 69:2691 70:723 71:385 72:1951 73:2
74:2266 75:249 76:316 77:897 78:619 79:433
80:983 81:765 82:485 83:444 84:681 85:1052
86:457 87:681 88:341 89:1563 90:94 91:2869
92:502 93:997 94:1398 95:646 96:355 97:212
98:602 99:31 108:100 109:565 110:384 111:546
112:287 113:318 114:431 115:568 116:1078 117:655
118:482 119:876 120:131 121:729 122:1481 123:941
124:1115 125:1321 128:227 129:199 130:196 131:553
132:247 133:17 134:195 135:45 136:241 137:149
138:265 139:106 140:484 141:197 142:337 143:371
144:471 145:50 146:449 147:167 148:664 149:301
150:152 151:229 152:298 153:169 154:2 155:359
156:160 157:324 158:109 159:356 160:316 161:183
162:254 163:177 164:405 165:365 166:458 167:414
168:650 169:157 170:715 171:59 172:2 173:941
174:474 175:146 176:1 178:305 180:519 182:153
183:235 184:111 186:499 187:391 188:1003 189:770
190:3802 192:5739 193:4715 194:3396 195:2798 196:1190
198:3582 199:3458 200:5341 201:1565 202:7969 203:8287
204:4075 205:2321 206:2486 207:3103 208:3870 209:3450
210:2534 211:1271 212:1707 213:1649 214:644 215:69
216:4690 217:1528 218:498 219:378 220:1149 221:401
222:316 223:1
End of report